<?phpnamespace Tests;use App\Chat\Smileys;use App\Gui\SmileyPainter;use PHPUnit\Framework\TestCase;/** The smileys of the applet: found as it found them, drawn pixel for pixel as it drew them. */final class SmileysTest extends TestCase{ public function testAComposedFaceNeedsItsNose(): void { self::assertSame(['Salut :) toi'], Smileys::parse('Salut :) toi')); $parts = Smileys::parse('Salut :-) toi'); self::assertSame('Salut ', $parts[0]); self::assertSame(['kind' => 'face', 'eyes' => 0, 'nose' => 3, 'mouth' => 0, 'color' => 10, 'hands' => 0, 'source' => ':-)'], $parts[1]); self::assertSame(' toi', $parts[2]); } public function testAColourDigitAndHandsFollowTheFace(): void { $face = Smileys::parse(';o)2#cd')[0]; self::assertSame([1, 7, 0, 2, 2 | 4, ';o)2#cd'], [$face['eyes'], $face['nose'], $face['mouth'], $face['color'], $face['hands'], $face['source']]); } public function testTheDrawnPicturesAndTheirColours(): void { self::assertSame(['kind' => 'big', 'n' => 13, 'color' => 1, 'source' => '#13'], Smileys::parse('#13')[0]); self::assertSame(['kind' => 'big', 'n' => 13, 'color' => 5, 'source' => '#135'], Smileys::parse('#135')[0]); self::assertSame(['kind' => 'big', 'n' => 5, 'color' => 10, 'source' => '#05'], Smileys::parse('#058')[0]); self::assertSame(['#15'], Smileys::parse('#15')); self::assertSame(['kind' => 'image', 'n' => 3, 'source' => '@03'], Smileys::parse('@03 and #-1')[0]); self::assertSame(' and #-1', Smileys::parse('@03 and #-1')[1], '"#-" is never a smiley'); self::assertSame(['@60'], Smileys::parse('@60'), 'smiley.gif has 60 pictures'); } /** @return iterable<string, array{0: string, 1: string}> */ public static function references(): iterable { yield 'heart' => ['#13', 'big_13.png']; yield 'tree' => ['#05', 'big_05.png']; yield 'the mask of the $ nose' => [':$)', 'nose_09.png']; yield 'the $ mouth' => [':-$', 'mouth_18.png']; yield 'two hands' => [':-)#dd', 'acc_05.png']; yield 'an orange face' => [':-)3', 'color_03.png']; yield 'a wink' => [';-)', 'eyes_01.png']; } #[\PHPUnit\Framework\Attributes\DataProvider('references')] public function testASmileyIsDrawnLikeTheApplet(string $code, string $reference): void { if (!function_exists('imagecreatetruecolor')) { self::markTestSkipped('no GD'); } $smiley = Smileys::parse($code)[0]; self::assertIsArray($smiley); $mine = SmileyPainter::image($smiley); $ref = imagecreatefrompng(__DIR__ . '/fixtures/' . $reference); $different = 0; for ($y = 0; $y < imagesy($ref); $y++) { for ($x = 0; $x < imagesx($ref); $x++) { $a = imagecolorsforindex($ref, imagecolorat($ref, $x, $y)); $b = ($x < imagesx($mine) && $y < imagesy($mine)) ? imagecolorsforindex($mine, imagecolorat($mine, $x, $y)) : ['red' => 0, 'green' => 0, 'blue' => 0, 'alpha' => 127]; $seenA = $a['alpha'] < 64; $seenB = $b['alpha'] < 64; if ($seenA !== $seenB || ($seenA && [$a['red'], $a['green'], $a['blue']] !== [$b['red'], $b['green'], $b['blue']])) { $different++; } } } self::assertSame(0, $different, "$code differs from $reference by $different pixels"); }}